1% Generated by roxygen2: do not edit by hand 2% Please edit documentation in R/timespans.r 3\name{is.timespan} 4\alias{is.timespan} 5\title{Is x a length of time?} 6\usage{ 7is.timespan(x) 8} 9\arguments{ 10\item{x}{an R object} 11} 12\value{ 13TRUE if x is a period, interval, duration, or difftime object, FALSE otherwise. 14} 15\description{ 16Is x a length of time? 17} 18\examples{ 19is.timespan(as.Date("2009-08-03")) # FALSE 20is.timespan(duration(second = 1)) # TRUE 21} 22\seealso{ 23\code{\link[=is.instant]{is.instant()}}, \code{\link[=is.duration]{is.duration()}}, \code{\link[=is.difftime]{is.difftime()}}, \code{\link[=is.period]{is.period()}}, \code{\link[=is.interval]{is.interval()}} 24} 25\keyword{chron} 26\keyword{logic} 27